Added initial versions of select translator tests

tests/MongoFramework.Tests/Infrastructure/Linq/Translation/Translators/SelectTranslatorTests.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MongoDB.Bson;
+using MongoFramework.Infrastructure.Linq.Translation.Translators;
+
+namespace MongoFramework.Tests.Infrastructure.Linq.Translation.Translators
+{
+	[TestClass]
+	public class SelectorTranslatorTests : QueryTestBase
+	{
+		[TestMethod]
+		public void SelectProperty()
+		{
+			var expression = GetExpression(q => q.Select(e => e.Id));
+			var result = new SelectTranslator().TranslateMethod(expression as MethodCallExpression);
+			var expected = new BsonDocument
+			{
+				{
+					"$project",
+					new BsonDocument
+					{
+						{ "Id", "$Id" },
+						{ "_id", 0 }
+					}
+				}
+			};
+
+			Assert.AreEqual(expected, result);
+		}
+
+
+		[TestMethod]
+		public void SelectNewAnonymousType()
+		{
+			var expression = GetExpression(q => q.Select(e => new { CustomPropertyName = e.Id }));
+			var result = new SelectTranslator().TranslateMethod(expression as MethodCallExpression);
+			var expected = new BsonDocument
+			{
+				{
+					"$project",
+					new BsonDocument
+					{
+						{ "CustomPropertyName", "Id" },
+						{ "_id", 0 }
+					}
+				}
+			};
+
+			Assert.AreEqual(expected, result);
+		}
+	}
+}